Cookstove



FIG. 1 is a front isometric view of a cookstove, showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is an exploded perspective view thereof.

The broken lines in the drawings are for the purpose of illustrating environmental elements of the cookstove which form no part of the claimed design. 

CLAIM The ornamental design for a cookstove, as shown and described. 